Reported by @Mcgiwer on Discord
**Steps to replicate the issue** (include links if applicable):
* [[WP:ITSTHURSDAY]]
* Mobile, Android, [[ https://en.wikipedia.org/wiki/Brave_(web_browser) | Brave browser ]]
* Visit https://en.m.wikipedia.org/wiki/Category:Free_ERP_software#/editor/all
* Edit using Visual Editor
**What happens?**:
* Unable to save the edit
* Bottom of screen transparent popup that says `https://en.m.wikipedia.org/wiki/Category:Free_ERP_software#/editor/all at line 781: Uncaught TypeError: Cannot read properties of undefined (reading 'firstNodes')`
{F37130447}
**What should have happened instead?**:
* Normal editing
**Software version** (skip for WMF-hosted wikis like Wikipedia):
**Other information** (browser name/version, screenshots, etc.):
* [[ https://codesearch.wmcloud.org/deployed/?q=firstNodes&files=&excludeFiles=&repos= | Codesearch ]] suggests this is either in Extension:Cite or Extension:VisualEditor